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EnerSys

Power Electronics Engineer

EnerSys

Power Electronics Engineer responsible for designing and optimizing MW-scale Power Conversion Systems. Contributing technical expertise in advanced power electronics for industrial applications.

Posted 5/4/2026full-timeArras • 🇫🇷 FranceMid-LevelSeniorWebsite

About the role

Key responsibilities & impact
  • Serve as the technical expert for MW-class PCS architecture, including topology selection, modulation strategies, control algorithms, and protection schemes
  • Perform advanced electrical, thermal, and EMC simulations to guide design choices and ensure system robustness
  • Develop and optimize liquid-cooling solutions for high-density converters (cold plates, coolant loops, heat exchangers)
  • Define technical specifications for power modules, magnetics, semiconductors, and passive components
  • Conduct in-depth root-cause analyses and propose corrective actions for complex field or validation issues
  • Support design teams during critical phases: schematic definition, PCB layout reviews, thermal design, and system integration
  • Lead technical reviews (design reviews, FMEA/DFMEA, reliability assessments) and ensure compliance with relevant standards (IEC, UL, CE, EMC, grid-connection requirements)
  • Collaborate with suppliers on advanced components (SiC devices, high-performance magnetics, thermal interfaces)
  • Contribute to technology roadmaps and innovation programs in high-power conversion
  • Provide expert support during prototype testing, commissioning, and customer-specific adaptations

Requirements

What you’ll need
  • Master’s degree or PhD in Electrical Engineering, Power Electronics, or a related field
  • 5+ years of experience in high-power AC/DC converter design for industrial or grid applications
  • Deep expertise in semiconductor technologies (IGBT, SiC MOSFET, GaN), magnetics, and digital control
  • Proven experience with liquid-cooled power modules and thermal management of high-density converters
  • Strong background in grid-connected power electronics (harmonics, EMC, protection, control loops)
  • Proficiency with simulation tools such as PLECS, MATLAB/Simulink, COMSOL, LTspice
  • Ability to solve complex technical problems and guide teams through high-stakes engineering challenges

Benefits

Comp & perks
  • Equal employment opportunities
  • Prohibits discrimination and harassment of any type

ATS Keywords

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Hard Skills & Tools
MW-class PCS architecturetopology selectionmodulation strategiescontrol algorithmsprotection schemesliquid-cooling solutionshigh-density convertersroot-cause analysisthermal managementsemiconductor technologies
Soft Skills
problem-solvingteam guidancecollaborationtechnical leadership